EcoTech Full Synthetic 2-Cycle Oil, 16-Ounce Full Synthetic 2-Cycle Oil Optimum clean-burning characteristics, contains fuel stabilizers Meets or exceeds specifications for all OEM Equipment Manufacturers including ISO-L-EGD & JASO-FD, the highest standards set by JASO Approved for mix ratios from 30:1 to 100:1 Maximizes Performance, Low Smoke